WNT6 and early-onset autosomal dominant Alzheimer disease: These categories include WNT (WNT1, WNT3A, WNT6, AXIN2, TNF2, MMP7), Alzheimer disease presenilin (WNT1, WNT3A, WNT6, MMP7), cadherin (WNT1, WNT3A, WNT6) and Notch (LFNG, HES1) signaling pathways.